and having twice Earth's radius? $4)$ A$)580$ N B$)118$ N C$)290$ N D$)1200$ N E$)1160$ N $5)$

A satellite that is in a circular orbit $230$ km above the surface of the planet Zeeman$-474$

has an orbital period of $89$ min. The radius of Zeeman$-474$ is $6\mathrm{.}38106$ m$.$ What is the

mass of this planet? $($G $=6\mathrm{.}6710-11$ N $$ m$2/$kg$2)$

$5)$